1601731430 has 16 divisors (see below), whose sum is σ = 3104895024. Its totient is φ = 591408480.

The previous prime is 1601731429. The next prime is 1601731433. The reversal of 1601731430 is 341371061.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1601731430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601731433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6160376 + ... + 6160635.

It is an arithmetic number, because the mean of its divisors is an integer number (194055939).

Almost surely, 2^1601731430 is an apocalyptic number.

1601731430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601731430 is a deficient number, since it is larger than the sum of its proper divisors (1503163594).

1601731430 is a wasteful number, since it uses less digits than its factorization.

1601731430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321031.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1601731430 is about 40021.6370229905. The cubic root of 1601731430 is about 1170.0288375292.

The spelling of 1601731430 in words is "one billion, six hundred one million, seven hundred thirty-one thousand, four hundred thirty".